nitrous-acid

nitrous acid

noun Chemistry.
an acid, HNO 2 , known only in solution.

Origin:
1670–80

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World English Dictionary
nitrous acid
 
n
Systematic name: dioxonitric(III) acid a weak monobasic acid known only in solution and in the form of nitrite salts. Formula: HNO2

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

nitrous acid n.
A weak inorganic acid existing only in solution or in the form of its salts.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
nitrous acid  
A weak inorganic acid existing only in solution or in the form of its salts. It can act either as an oxidizing agent or as a reducing agent. Chemical formula: HNO2.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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